undetermined + noun
通常放在名词前作定语，表示该名词尚未确定。
The cause of the fire is still undetermined.
火灾的原因仍未确定。
未决定的；未确定的
未限定的；不明确的；未确定的；未解决的；未决定的；未限定的；未界定的；不确定的；未经决定的
not decided or settled
未确定的；未解决的；未决定的
Not determined; not settled; not decided.
未限定的；未界定的；不确定的
Not limited; not defined; indeterminate.
The cause of the fire remains undetermined.
火灾的原因仍未确定。
用法提示：形容词作表语，表示尚未查明或确定。
Her plans for the weekend are still undetermined.
她周末的计划仍未确定。
用法提示：形容词作表语，说明计划尚未决定。
The exact number of participants is undetermined.
参与者的确切人数尚未确定。
用法提示：形容词作表语，表示数量未被确定。
通常放在名词前作定语，表示该名词尚未确定。
The cause of the fire is still undetermined.
火灾的原因仍未确定。
be undetermined 表示主语处于未决定的状态。
The exact date of the meeting is undetermined.
会议的具体日期尚未确定。
强调持续未决定的状态。
The outcome of the investigation remains undetermined.
调查结果仍未确定。
用于表达某事是否发生尚不明确。
It is undetermined whether the project will proceed.
该项目是否会进行尚未确定。
grammar · medium
易错句子The cause of the accident undetermined.
正确表达The cause of the accident is undetermined.
汉语中形容词可直接作谓语，但英语中系词be不能省略。应补充系动词is，构成系表结构。
grammar · medium
易错句子She is undetermined about which dress to wear.
正确表达She is undecided about which dress to wear.
undetermined用于事态、结果等未确定，不用于人作决定时犹豫不决。表达人未做决定应使用undecided。
undecided强调人尚未做出决定，尤指犹豫不决；undetermined侧重结果或性质尚未确定
indeterminate多用于数学或科学中指未定量或模糊结果；undetermined更通用，指尚未确定的状态
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